drm/i915: clarify PMINTRMSK/pm_intr_keep usage

[cascardo/linux.git] / drivers / gpu / drm / i915 / i915_drv.h

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 1e2dda8..d01a50e 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1184,6 +1184,7 @@ struct intel_gen6_power_mgmt {
        bool interrupts_enabled;
        u32 pm_iir;
 
+       /* PM interrupt bits that should never be masked */
        u32 pm_intr_keep;
 
        /* Frequencies are stored in potentially platform dependent multiples.